DTC C13A1: Short circuit in Power source circuit [04/2018 - 08/2021]: Description
WARNING: This page is about a different car, the 2022 Toyota Avalon, 2021 Toyota Avalon, 2020 Toyota Avalon, and 2019 Toyota Avalon. However, it is still accessible from the selected car via links, so may be relevant.
C13A1 is stored if the power supply relay in the parking brake ECU assembly has a short circuit.
C13A1 is stored if the power switch is off and a voltage of 2.5 V or higher is applied to the IG terminal and an electric parking brake switch assembly malfunction or wire harness malfunction between the switch and ECU occurs.
| DTC No. | Detection Item | DTC Detection Condition | Trouble Area | Memory | Note |
|---|---|---|---|---|---|
| C13A1 | Short circuit in Power source circuit | Both of following conditions are met:
|
|
DTC stored | An electric parking brake system malfunction is displayed on the multi-information display. |